ON FOSSIL POLTZOA. 123 



' Zoarium incrusting, or rising into foliaceous expansions, or dendroid. 

 Zocn.cia calcareous, destitute of a membranous area and raised margins ; 

 orifice with a sinus on the lower lip.' — Hincks, p. 237. 



Genus Schizoporella, Hincks. 



Lepralia, (part) Johnst. and Busk ; Escharina and Reptoporina, (part) 

 D'Orb. ; Escharella, Mollia, Hippothoa, (part) Smitt. 



' Zocucia with a semicircular or suborbicular orifice, the inferior margin 

 with a central sinus. Avicularia usually lateral, sometimes median, with 

 an acute, or rounded, or spatnlate mandible, occasionally wanting. 

 Zoarium incrusting or forming foliaceous expansions.' — Hincks, p. 237. 



123. Schizoporella unicornis, Johnst. (see Hincks, p. 238) = Lepralia, 



ibid. Johnst., Busk, ' Crag Pol.' p. 45, pi. v. fig. 4 = Lepralia, 

 spinifera, var. unicornis, Manzoni, ' Bry. Plioc. Ital.' Prima 

 Contrib. p. 7, pi. xi. fig. 11 = Lepralia ansata, Johnst., Reuss, 

 'Bry. Ost.-ung.' pi. i. p. 18, pi. vi. fig. 12 = Lepralia ansata, 

 Manzoni, ' Bryz. Foss. It.' Contrib. iii. p. 9 = Lepralia tetragona, 

 Rss. ' Foss. Polyp, d. Wiener Tert.' p. 78, pi. ix. fig. 19, forma 

 unicornis, Manz. 'Bry. Foss. Plioc' Contr. iii. = Lepralia 

 ansata, var. tetragona and var. porosa, Reuss. ' Ost.-ungar.' = 

 Eeptoporina tetragona, D'Orb. ' Pal. Fr. Ter. Cret.' v. 442. 

 Range. — Form unicornis, Cor. Crag, Vienna Basin, Austro-Hung. 



Miocene ; Italian Pliocene ; Scotch Glacial ; Palaeolithic. Form ansata, 



Cor. Crag ; Vienna Basin ; Ital. Pliocene ; Palaeolithic. 



124. Schizoporella vulgaris, Moll. (Eschar a) = Cellepora otophora, 



Reuss, ' Polyp, d. Wien. Tert.' p. 90 = Lepralia cognata, Rss. 

 ' Bry. d. deutsch.' p. 62 = Lepralia intermedia, Rss. ' Bry. d. 

 Ost.-ung.' p. 269 = ? Lepralia tumida, Manz. ' Bryozoa di 

 Castro.' p. 25. 

 Range. — Vienna Basin, Rss. ; Aust.-Hung. ; Pliocene dep. Bruccoli. 

 Living. 



125. Schizoporella linearis, Hassall = Lepralia tenella, Rss. ' Bry. 



d. Ost.-ung.' p. 23. 



This species in a living state varies very much, and it will be well to 

 refer to both Mr. Hincks, ' Brit. Mar. Poly.' and Mr. Waters's paper on 

 Bry. Bay Nap., before describing new fossil species or varieties. 



Range. — Austro-Hung. Miocene ; Pliocene beds, Calabria ; Australia 

 (Waters). 



126. Schizoporella biaperta, Michelin (Escliara) = Lepralia ibid. 



Busk, ' Crag P.' p. 47 ; Manzoni, ' Castrocaro,' p. 21 = Eepto- 

 porina ibid., D'Orb. ' Pal. Fr. Ter. Cret.' 

 Range. — English Crag ; Castrocaro ; Miocene, Done, France. Form 

 eschariformis, Sicil. Plioc. Bruccoli (Waters). 



127. Schizoporella auriculata, Hassall : Foss. Australia, Waters, 



' Quart. Jour. Geol. Soc' vol. xxxviii., p. 273. 

 • Var.-LEONTiNiENSis, Watei-s, ' Bry. Pliocene, Bruccoli ; ' Waters, ' Man- 

 chester Geol. Soc. Trans.' vol. xiv., p. 468, 1878. 

 Range. — Sicilian Pliocene. 



128. Schizoporella sinuosa, Busk (see Hincks). 

 Range. — Canadian Post-Pliocene, Dawson. Living. 



129. Schizoporella crdenta, Norman = Lepralia violacea var. omenta. 



Busk (Scotch Glacial). 



